Now showing items 1-20 of 37

  • Alterations in EEG connectivity in healthy young adults provide an indicator of sleep depth 

    Migliorelli Falcone, Carolina Mercedes; Bachiller Matarranz, Alejandro; Andrade, Andreia G.; Alonso López, Joan Francesc; Mañanas Villanueva, Miguel Ángel; Borja Mallach, Cristina; Romero Lafuente, Sergio (2019-06-11)
    Article
    Restricted access - publisher's policy
    Current sleep analyses have used electroencephalography (EEG) to establish sleep intensity through linear and nonlinear measures. Slow wave activity (SWA) and entropy are the most commonly used markers of sleep depth. The ...
  • Análisis de la actividad electroencefalográfica (EEG) durante la realización de tareas cognitivas. Aplicación a la enfermedad de alzheimer 

    Mota Canals, Carlos (Universitat Politècnica de Catalunya, 2019-05-29)
    Bachelor thesis
    Open Access
    Covenantee:  BIOART
    La enfermedad de Alzheimer (EA) es una enfermedad neurológica compleja que está caracterizada por una degeneración neuronal progresiva que se manifiesta por un deterioro cognitivo y trastornos conductuales. Se caracteriza ...
  • Aplicación de la entropía condicional para el análisis del EEG bajo terapia farmacológica 

    Alonso López, Joan Francesc; Martínez Vera, Naira Pilar; Mañanas Villanueva, Miguel Ángel; Romero Lafuente, Sergio; Barbanoj, Manel J. (CEA, 2009)
    Conference lecture
    Restricted access - publisher's policy
    El análisis del electroencefalograma humano constituye una herramienta muy útil para la evaluación de la biodisponibilidad de un fármaco en el cerebro. Se ha aplicado el calculo de entropía condicional a señales ...
  • Assessment of sedation-analgesia by means of Poincaré analysis of the electroencephalogram 

    Bolaños, José D; Vallverdú Ferrer, Montserrat; Caminal Magrans, Pere; Valencia, Daniel F.; Borrat, Xavier; Gambus, Pedro L.; Valencia, Jose F. (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference lecture
    Open Access
    Monitoring the levels of sedation-analgesia may be helpful for managing patient stress on minimally invasive medical procedures. Monitors based on EEG analysis and designed to assess general anesthesia cannot distinguish ...
  • Auditory and nociceptive stimuli responses in the electro–encephalogram : a non-linear measures and time-frequency representation based analysis 

    Melia, Umberto Sergio Pio; Vallverdú Ferrer, Montserrat; Clarià Sancho, Francesc; Valls-Solé, Josep; Caminal Magrans, Pere (2014)
    Article
    Restricted access - publisher's policy
    Introduction: This article is part of the Focus Theme of Methods of Information in Medicine on “Biosignal Interpretation: Advanced Methods for Neural Signals and Images“. Objectives: An efficient way to investigate the ...
  • Automatic BSS-based filtering of metallic interference in MEG recordings: definition and validation using simulated signals 

    Migliorelli Falcone, Carolina Mercedes; Alonso López, Joan Francesc; Romero Lafuente, Sergio; Mañanas Villanueva, Miguel Ángel; Nowak, Rafal; Russi Tintoré, Antonio (2015-05-27)
    Article
    Open Access
    Objective. One of the principal drawbacks of magnetoencephalography (MEG) is its high sensitivity to metallic artifacts, which come from implanted intracranial electrodes and dental ferromagnetic prosthesis and produce a ...
  • Avaliação do efeito da referencia em estudos farmacológicos mediante EEG 

    Fernández Márquez, Ana; Alonso López, Joan Francesc (2015)
    Conference lecture
    Open Access
    Um dos problemas que apresenta o registro de electroencefalogramas (EEG) está relacionado com a referência usada durante a aquisição dos dados. O presente artigo analisa o comportamento de três referências, o promédio ...
  • Characterization of daytime sleepiness by time-frequency measures of EEG signals 

    Guaita, Marc; Melia, Umberto Sergio Pio; Vallverdú Ferrer, Montserrat; Caminal Magrans, Pere; Vilaseca, Isabel; Monserrat, Josep; Gaig, Carlos; Clarià Sancho, Francesc; Salamero, Manuel; Santamaria, Joan (2015-06-01)
    Article
    Open Access
    Excessive daytime sleepiness (EDS) is one of the main symptoms of several sleep-related disorders with a great impact on patient lives. While many studies have been carried out in order to assess daytime sleepiness, automatic ...
  • Classification of mental tasks using different spectral estimation methods 

    Diez, Pablo F.; Laciar, Eric; Mut, Vicente; Ávila, Enrique; Torres Cebrián, Abel (InTech, 2009-10-01)
    Part of book or chapter of book
    Open Access
  • Comparison of the qCON and qNOX indices for the assessment of unconsciousness level and noxious stimulation response during surgery 

    Melia, Umberto Sergio Pio; Gabarrón, Eva; Agustí, Mercé; Souto, Nuria; Pineda, Patricia; Fontanet, Joan; Vallverdú Ferrer, Montserrat; Jensen, Erik Weber; Gambus, Pedro L. (2016-10-20)
    Article
    Open Access
    The objective of this work is to compare the performances of two electroencephalogram based indices for detecting loss of consciousness and loss of response to nociceptive stimulation. Specifically, their behaviour after ...
  • Design and fabrication of a dry eeg electrode 

    Marzo i Vila, Eduard (Universitat Politècnica de Catalunya, 2019-07-31)
    Bachelor thesis
    Restricted access - author's decision
    Covenantee:  Institut national des sciences appliquées de Lyon
    Nowadays EEG signal is the most utilized non-invasive brain data acquisition, because of its portability, low cost in relation with other techniques and ease to obtain brain waves. In order to obtain this signal, electrodes ...
  • Detection of movements with attention or distraction to the motor task during robot-assisted passive movements of the upper limb 

    Antelis, Javier M.; Montesano, Luis; Giralt Ludevid, Xavier; Casals Gelpi, Alicia; Minguez, Javier (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Conference report
    Restricted access - publisher's policy
    Robot-assisted rehabilitation therapies usually focus on physical aspects rather than on cognitive factors. However, cognitive aspects such as attention, motivation, and engagement play a critical role in motor learning ...
  • Drug effect on EEG connectivity assessed by linear and nonlinear couplings 

    Alonso López, Joan Francesc; Mañanas Villanueva, Miguel Ángel; Romero Lafuente, Sergio; Hoyer, Dirk; Riba Ruiz, Jordi-Roger; Barbanoj, Manel J. (2010-03)
    Article
    Restricted access - publisher's policy
    Quantitative analysis of human electroencephalogram (EEG) is a valuable method for evaluating psychopharmacological agents. Although the effects of different drug classes on EEG spectra are already known, interactions ...
  • EEG based volitional interaction with a robot to dynamically replan trajectories 

    Galve Ceamanos, Sergio (Universitat Politècnica de Catalunya, 2018-09-17)
    Master thesis
    Open Access
    Everyday robots are more involved in our daily basis and they are expected to be part of the domestic environment eventually. Assertive robots deal with this scenario providing help to people with certain disabilities, a ...
  • EEG Dynamic Analysis in Epilepsy Source Localization 

    Roig Solvas, Biel (Universitat Politècnica de Catalunya, 2013-12-13)
    Bachelor thesis
    Open Access
    Covenantee:  Northeastern University
    [ANGLÈS] Our aim in this project is to study the spatio-temporal structures present in EEG epilepsy record- ings to uncover dynamic patterns that could be of use in the Source Localization problem, among other applications. ...
  • Electroencephalographic signal analysis of daytime sleepiness syndrome 

    Domingo I Mateu, Bernat (Universitat Politècnica de Catalunya, 2017-06-15)
    Bachelor thesis
    Restricted access - confidentiality agreement
  • Estudi de la connectivitat cerebral durant la vigília prolongada 

    Marta, Alcalá; Alonso López, Joan Francesc; Giménez, Sandra; Romero Lafuente, Sergio; Mañanas Villanueva, Miguel Ángel (EUETIB, 2014-12-01)
    Conference report
    Open Access
    En aquest estudi s’avaluen els efectes de la privació de son sobre el senyals electroencefalogràfics de voluntaris sans mitjançant la transferència d’entropia (TE), una tècnica no paramètrica que permet detectar dependències ...
  • Estudio comparativo de detección de crisis epilepticas en niños con EEG y Stereo-EEG 

    Almajano De Mir, Beatriz (Universitat Politècnica de Catalunya, 2018-09-10)
    Bachelor thesis
    Open Access
  • Evaluación de las señales de electroencefalograma y flujo sanguíneo cerebral durante anestesia general 

    Espinoso Palacín, Anaïs (Universitat Politècnica de Catalunya, 2018-06-26)
    Bachelor thesis
    Restricted access - author's decision
    El primer objetivo es la adquisición y preprocesado de las señales recogidas durante cirugías con el fin de encontrar si el flujo sanguíneo cerebral es un parámetro importante a la hora de monitorizar la profundidad ...
  • Exploring EEG for object detection and retrieval 

    Mohedano Robles, Eva; Salvador Aguilera, Amaia; Porta, Sergi; Giró Nieto, Xavier; Healy, Graham; McGuinness, Kevin; O'Connor, Noel; Smeaton, Alan F. (Association for Computing Machinery (ACM), 2015)
    Conference lecture
    Open Access
    This paper explores the potential for using Brain Computer Interfaces (BCI) as a relevance feedback mechanism in content-based image retrieval. Several experiments are performed using a rapid serial visual presentation ...